Surf these sites: Comparing and Merging Files -- GNU Project documentation on the open source command line tools diff, diff3, sdiff, cmp, and patch. Darwin Open Systems -- Including Java diff source code, idiff, mgdiff, and spiff Unix tar.gz downloads. Generic Diff Format -- Specification of GDIFF, a generic file format for representing the differences between two files, from Marimba to the W3C. HtmlDiff -- Free remotely hosted CGI program, will compare any two text files on the Web. By ComponentSoftware. TkDiff -- An open source, graphical, 2 and 3-way diff/merge tool, integrated with several source code control systems. Unix and Windows NT downloads, mailing list with archive. wtkdiff -- "weak" tkdiff, or "wayne''s" tkdiff, an attempt at a minimal version of John Klassa''s tkdiff processor. Tcl/Tk source code.
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